Home / 118,524.40-163,695.70-109,556.34

Finding the Fourth Proportional to 118,524.40, 163,695.70 and 109,556.34

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Solution

The fourth proportional to 118,524.40, 163,695.70 and 109,556.34 is: 151,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,524.40 : 163,695.70 = 109,556.34 : x
  2. Step 2: Convert to fraction form
    118,524.40/163,695.70 = 109,556.34/x
  3. Step 3: Cross multiply
    118,524.40x = 163,695.70 × 109,556.34
  4. Step 4: Simplify right side
    118,524.40x = 17,933,901,765.74
  5. Step 5: Solve for x
    x = 17,933,901,765.74/118,524.40
  6. Step 6: Final answer
    x = 151,309.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.